Description

This Yamaha SX190 1800 HO +.25mm engine rebuild kit is built for 2013–2015 jet boat engines that need light bore correction. It uses +.25mm pistons and matched internal parts to improve clearance in lightly worn cylinders.

Because these components are chosen for the +.25mm oversize setup, you install parts that match the enlarged bore size. In addition, REV6 inspects each piece before shipment to help ensure fit and quality.

This Kit Includes

• Cam chain – 94591-66152-00
• Cam chain damper guide – 6BH-12251-00-00
• Cam chain tension guide – 6BH-12252-00-00
• Cam chain upper guide – 6BH-12241-00-00
• Complete gasket kit – 6CR-W0001-01-00, 6CS-W0001-01-00, 6HM-W0001-00-00, 6HM-W0001-01-00
• Oversize +.25mm piston kits – 6BH-11631-00-B0
• Connecting rod bearings (black) – 6S5-11656-50-00
• Crankshaft bearings (green) – 6S5-11416-40-00

For details on part coverage and what this kit includes, see our warranty policy. You can also check the FAQ center for common rebuild questions, or explore technical insight on the REV6 blog. If you need help confirming fitment before ordering, contact our team.

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Yamaha SX190 1800 HO Jet Boat Complete Engine Rebuild Kit +.25mm 2013–2015

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If your SX190 1800 HO engine has light cylinder wear, this +.25mm rebuild kit gives you the matched components needed to restore proper clearance. It ships nationwide—add it to your cart and rebuild with confidence.

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